Defines the functional classification of roads (e.g., Arterials, Collectors, Locals) and specifies requirements for: Lane widths Shoulder requirements Median design Pedestrian and cycling facilities 2. Sight Distance and Alignment
Intersections are the most critical points of conflict within a road network. The GDM outlines explicit design parameters for three layout types: At-Grade Signalized Intersections
Ensuring smooth acceleration and deceleration transitions.
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The RTA Geometric Design Manual for Dubai Roads 2017 is a controlled engineering document. Official Acquisition
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Ensuring drivers approaching a junction have an unobstructed view to safely navigate turns or crossings. 4. Horizontal and Vertical Alignment
Typically designated at 3.65 meters for expressways and major arterials to accommodate heavy freight and high-speed passenger vehicles safely.
Determining the radius of curves and superelevation (banking) to prevent skidding.
The RTA GDM mandates specific design controls that govern the physical dimensions and capabilities of a road layout. Design Vehicle